Season tenderloin with salt and pepper. Stir together the preserves and mustard in a small bowl. Place pork over a medium-hot fire and grill for about 15 minutes or until internal temperature reaches 145°F, followed by a 3-minute rest time. Brush with mustard mixture in the last few minutes.

Season tenderloin with salt and pepper. Stir together the preserves and mustard in a small bowl. Place pork over a medium-hot fire and grill for about 15 minutes or until internal temperature reaches 145°F, followed by a 3-minute rest time. Brush with mustard mixture in the last few minutes.